There are 2 owner-reported electrical system complaints for the 2018 MINI Cooperin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
UNKNOWN Driver side tail light socket. All lights stopped working. Took out the socket and the wiring harness connector burned up
Driving at low speed piercing loud noises came from speakers, buzzing and whining. Noise stayed on with ignition on or off and radio on or off. This occurred two more times on way home. Am waiting for dealer appointment. Have not driven vehicle since.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026